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Finding the Fourth Proportional to 265,361.84, 366,190.80 and 157,907.28

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Solution

The fourth proportional to 265,361.84, 366,190.80 and 157,907.28 is: 217,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,361.84 : 366,190.80 = 157,907.28 : x
  2. Step 2: Convert to fraction form
    265,361.84/366,190.80 = 157,907.28/x
  3. Step 3: Cross multiply
    265,361.84x = 366,190.80 × 157,907.28
  4. Step 4: Simplify right side
    265,361.84x = 57,824,193,189.02
  5. Step 5: Solve for x
    x = 57,824,193,189.02/265,361.84
  6. Step 6: Final answer
    x = 217,906.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.